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    <title>Document</title>
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    <script>
      let arr = [5, 10, 6, 3, 20];
      function least1(list) {
        let least = list[0];
        for (let i = 0; i < list.length; i++) {
          if (least < list[i]) {
            least = list[i];
          }
        }
        return least;
      }
      const re = least1(arr);
      console.log(re);
    </script>
  </body>
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